Anyone notice a "seat of the pants" difference?
04-06-2010, 09:40 AM
#1
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My Ride: 2005 545i Sport 6MT
I just ordered one, i'm just curious as to what my expectations should be. As of now they're pretty low haha.
I plan on getting an ESS tuned ECM soon, i'm sick of the poor throttle response.
I plan on getting an ESS tuned ECM soon, i'm sick of the poor throttle response.
04-06-2010, 09:46 AM
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My Ride: 2005 BMW 545i Sport Package, Jet Black
M166 OEM Wheels
M5 Style Body kit
RPI Scoop
BMC Air Filter
Valentine One Radar Detector
35% tint all around
i don't think you will notice it, couple of HP gain is hard feel.
if you add RPI scoop to it, exhaust, and tune that will make difference
if you add RPI scoop to it, exhaust, and tune that will make difference
04-06-2010, 09:52 AM
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My Ride: 2008 550i Jet Black on Black Leather, SAT with Paddles, Logic 7, Comfort Seats, NAV, Sport Package, PDC, Xenons, Sirius, Trinity 12W LED Angel Eyes, RPi GT Exhaust, M rear spoiler, ACS Roof Spoiler, Tinted Tail Lights, Bimmian Carbon Fiber Pillar Trim, Bimmian Shadow 550i emblem, RPi Scoop, E60 Forum Cling, Mtec bulbs in fog lights, Mtec 2W LED for License Plate Light Bulbs, K&N Filter, Bimmian LED Smoked Side Markers, Blackout roundels, Carbon Fiber Kidney Grills.
Retired Rides - 1989 325i convertible, 1995 M3, 2002 X5, 2005 545i, 2008 X5 (Lemon)
Perhaps it feels a bit smoother, but nothing drastic. 
04-06-2010, 09:53 AM
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My Ride: 2008 550I LOADED, all options except HUD and NV
I noticed a difference with my K&N, but I also have the RPI scoop. In city driving not much difference at all, but when I go to pass someone on the freeway? Much better response from my I6 
I would definitely suggest the tune and exhaust from RPI as well to make to maximize performance of your car. Those are definitely in my future plans as well 
I would definitely suggest the tune and exhaust from RPI as well to make to maximize performance of your car. Those are definitely in my future plans as well
04-06-2010, 09:58 AM
#5
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My Ride: 2005 545i Sport 6MT
I just ordered an RPI scoop as well. 
After taxes come in, i'm ordering a tuned ECM 
Exhaust may have to wait for a while 
After taxes come in, i'm ordering a tuned ECM Exhaust may have to wait for a while
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